Microbiology chapter 1

What is a helminth?

A parasitic worm

What is a virion?

A virus particle that is not inside of a host cell

Which microbe(s) do NOT have a true nucleus?

Bacteria

Which type(s) of microorganisms have cells that do NOT contain organelles?

Bacteria Archaea

Designing organisms in the industrial setting that can provide human products through genetic engineering or clean up environmental waste through bioremediation is part of the subdiscipline of microbiology referred to as .

Biotechnology

______ diseases are those which are newly identified and becoming more prominent.

Emerging

infectious disease, such as SARS or viral encephalitis, is a newly identified infectious disease that is becoming more prominent.

Emerging

Which cell type is generally larger in size?

Eukaryotic cells

True or false: A virus is a cellular agent that possesses membrane-bound organelles.

False

What technology involves the deliberate modification of the genetic structure of an organism to create novel products?

Genetic engineering

______ microbes that are associated with humans cause no harm.

Most

is the general term used to refer to any disease-causing microorganism.

Pathogen

Which process uses the sun's energy to produce organic compounds and ATP from carbon dioxide and water?

Photosynthesis

Older diseases that are experiencing recent increases in prevalence are referred to as ______.

Reemerging diseases

Which two of the following groups of organisms arguably play the greatest role in biological decomposition?

bacteria fungi

Microbiology involves the study of microscopic organisms or agents, including ______.

bacteria viruses helminths archaea protozoa fungi

is the breakdown of dead matter and wastes into simple compounds that can be directed back into the natural cycle of living things.

decomposition

For human health and well-being, it is important to have a ______ microbiota.

diverse

Genetic __, or recombinant DNA technology, is a method of deliberately modifying the genetic structure of an organism to create novel products.

engineering

refers to a parasitic invertebrate such as a worm.

helminth

Microscopic organisms are only visible with the aid of a .

microscope

In general, disease-causing organisms are referred to as ______.

pathogens

is the light-fueled conversion of carbon dioxide to organic material.

photosynthesis

Tuberculosis is an older disease but its prevalence has been increasing in recent years; therefore, this disease is sometimes referred to as a(n) disease.

reemerging

When not present in a host, an individual virus is referred to as a ___ , or virus particle.

virion

What uses an infected host cell's genetic and metabolic machinery for reproduction and assembly?

virus

is a pathogen that must use an infected host cell's genetic and metabolic machinery for reproduction and assembly.

virus

The structures indicated by the arrows in this figure are representative of different types of

viruses

Which of the following is not true regarding viruses?

Viruses are eukaryotic.

Which microbe(s) have a true nucleus?

Yeast Protists

What is biotechnology?

The use of microbes or their products for commercial or industrial purposes

A(n) is a microscopic agent, which is not cellular (acellular) and is composed of nucleic acids surrounded by a protein coat. Listen to the complete question

Virus